--- linssid-app/linssid-app.pro.orig	2018-06-23 11:01:15.000000000 +1000
+++ linssid-app/linssid-app.pro	2018-09-18 15:40:36.098399259 +1000
@@ -22,7 +22,7 @@
 INCLUDEPATH += /usr/include/qt5
 INCLUDEPATH += /usr/include/qwt
 LIBS += -lboost_regex
-LIBS += /usr/lib/libqwt-qt5.so.6
+LIBS += /usr/lib$${LIBDIRSUFFIX}/libqwt-qt5.so.6
 QMAKE_CXXFLAGS += -std=c++11
 #
 TARGET = linssid
